Specifications Nominal Voltage 12V Rated Capacity（20 hour rate） 4.5Ah Dimension Total Height (with terminals) 107mm(4.21inch) Height 101mm(3.98inch) Length 90mm(3.54inch) Width 70mm(2.76inch) Weight 1.55kg(3.42pound) Characteristics Capacity 77℉(25℃) 20 hour rate 4.5Ah 10 hour rate 4.2Ah 5 hour rate 3.8Ah 1 hour rate 2.7Ah Internal Resistance Full charged Battery 77℉(25℃) 35mΩ Capacity affected by Temperature (20 hour rate) 104℉(40℃) 102% 77℉(25℃) 100% 32℉(0℃) 85% 5℉(-15℃) 65% Self-Discharge 77℉(25℃) Capacity after 3 months storage 91% Capacity after 6 months storage 82% Capacity after 12 months storage 64% Max Discharge Current 77℉(25℃) 45A(5s) Charging(Constant Voltage) Cycle Initial Charging Current≤1.35A 14.5～14.9V/77℉(25℃) Float 13.6～13.8V/77℉(25℃) Constant Power Discharge Watts Per Cell/77℉(25℃) Cut off Voltage/cell 5min 10min 15min 30min 45min 60min 1.50 34.7 23.5 17.9 10.9 8.8 6.3 1.60 33.7 22.8 17.3 10.7 8.4 6.2 1.65 33.1 22.3 17.0 10.5 8.3 6.1 1.70 32.7 22.1 16.7 10.2 8.2 5.9 1.75 32.0 21.6 16.4 10.1 8.0 5.8 We would liketo introduce our company as an one of the top manufacturer of Sealed Lead-acid Battery in China. All batteries are available under our FuLi (FL) brand, neutral brand and OEM brands, made with AGM technology and are maintenance-free with wide range of 2V/4V/6V/8V/12Vand 24V , the capacity from 0.8AH to 3000 AH. FL batteries have been approval by UL, CE, IEC and ISO 9001-2000. Our price is very competitive because we are manufactory for both the batteries and most of the raw material like battery plates, we are the source. You are welcome to visit our website for detail information. Should any of these items be of interest to you, please feel free to let us know. Hope that we may build business cooperation in the future